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<?php
function romanNumerals($num){
$n = intval($num);
$res = '';
/*** roman_numerals array ***/
$roman_numerals = array(
'M' => 1000,
'CM' => 900,
'D' => 500,
'CD' => 400,
'C' => 100,
'XC' => 90,
'L' => 50,
'XL' => 40,
'X' => 10,
'IX' => 9,
'V' => 5,
'IV' => 4,
'I' => 1);
foreach ($roman_numerals as $roman => $number){
/*** divide to get matches ***/
$matches = intval($n / $number);
/*** assign the roman char * $matches ***/
$res .= str_repeat($roman, $matches);
/*** substract from the number ***/
$n = $n % $number;
}
/*** return the res ***/
return $res;
}
echo romanNumerals(23);
?>
Suggested Difficulty Level: Beginner
Current Score: 3.26
Total votes: 19
Total Views: 1106
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